| Abbreviation | Definition |
|---|---|
| ETN3 | ectronics Technician (communications) Petty Officer 3rd Class |
| ETN3 | Electronics Technician (communications) Petty Officer 3rd Class |
| ETN3 | Electronics Technician (Nuclear) Third Class |
| ETNC | ectronics Technician (communications) Chief Petty Officer |
| ETNC | Electronics Technician (communications) Chief Petty Officer |
| ETNSA | ectronics Technician (communications) Seaman Apprentice |
| ETNSA | Electronics Technician (communications) Seaman Apprentice |
| ETNSN | ectronics Technician (communications) Seaman |
| ETNSN | Electronics Technician (communications) Seaman |
| ETNSR | ectronics Technician (communications) Seaman Recruit |
| ETNSR | Electronics Technician (communications) Seaman Recruit |
| ETNSR | Electronics Technician (Nuclear) Seaman Recruit |
| ETR1 | ectronics Technician (radar) Petty Officer 1 St Class |
| ETR1 | Electronics Technician (radar) Petty Officer 1 St Class |
| ETR2 | ectronics Technician ((radar)) Petty Officer 2nd Class |
| ETR2 | Electronics Technician ((radar)) Petty Officer 2nd Class |
| ETR3 | ectronics Technician (radar) Petty Officer 3rd Class |
| ETR3 | Electronics Technician (radar) Petty Officer 3rd Class |
| ETRC | ectronics Technician (radar) Chief Petty Officer |
| ETRC | Electronics Technician (radar) Chief Petty Officer |